[RFC PATCH v2 01/10] docs: Add block device LED trigger documentation
pavel at ucw.cz
Tue Aug 10 09:49:04 EDT 2021
> +++ b/Documentation/ABI/testing/sysfs-block
> @@ -316,3 +316,19 @@ Description:
> does not complete in this time then the block driver timeout
> handler is invoked. That timeout handler can decide to retry
> the request, to fail it or to start a device recovery strategy.
> +What: /sys/block/<disk>/led
> +Date: August 2021
> +Contact: Ian Pilcher <arequipeno at gmail.com>
> + Set the LED associated with this block device (or show available
> + LEDs and the currently selected LED, if any).
> + Reading the attribute will display the available LEDs (LEDs that
> + are associated with the blkdev LED trigger). The currently
> + selected LED is enclosed in square brackets. To clear the
> + device's LED association write 'none' (without the quotes) or
> + an empty string/line to the attribute.
> + See Documentation/ABI/testing/sysfs-class-led-trigger-blkdev and
> + Documentation/block/blk-ledtrig.rst.)
I have to agree with Marek / Pali -- this is very strange interface.
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